28367684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 55204800

約数和(自身を除く): 26837116

約数列:

[1, 2, 4, 19, 29, 38, 58, 61, 76, 116, 122, 211, 244, 422, 551, 844, 1102, 1159, 1769, 2204, 2318, 3538, 4009, 4636, 6119, 7076, 8018, 12238, 12871, 16036, 24476, 25742, 33611, 51484, 67222, 116261, 134444, 232522, 244549, 373259, 465044, 489098, 746518, 978196, 1493036, 7091921, 14183842, 28367684]

約数ペア:

[(1, 28367684), (2, 14183842), (4, 7091921), (19, 1493036), (29, 978196), (38, 746518), (58, 489098), (61, 465044), (76, 373259), (116, 244549), (122, 232522), (211, 134444), (244, 116261), (422, 67222), (551, 51484), (844, 33611), (1102, 25742), (1159, 24476), (1769, 16036), (2204, 12871), (2318, 12238), (3538, 8018), (4009, 7076), (4636, 6119)]